5.4

CVE-2024-57273: netgate pfsense ce Cross-site Scripting

CVSS: 5.4v3.1MediumModified
Published 14-05-2025Last modified 27-07-2026
Open JSON

Vulnerability summary

CVE-2024-57273 is a medium (CVSS 5.4) Cross-site Scripting vulnerability in netgate pfsense ce. EPSS estimates a 1.28% chance of exploitation in the next 30 days, higher than 69.5% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
32/100
0100
Medium · default modelHow is this calculated?
CVSS score
5.4/10
010
Medium · v3.1 (CVE.org)
EPSS score
1.28%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Timeline

  1. 14-05-2025
    PublishedVulnerability first disclosed.
  2. 27-07-2026
    Last modifiedVulnerability information updated.

Description

Netgate pfSense CE (prior to 2.8.0 beta release) and corresponding Plus builds is vulnerable to Cross-site scripting (XSS) in the Automatic Configuration Backup (ACB) service, allowing remote attackers to execute arbitrary JavaScript, delete backups, or leak sensitive information via an unsanitized "reason" field and a derivable device key generated from the public SSH key.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

1.28%

Chance of exploitation in the next 30 days

Percentile

70%

Versus all other CVEs

30-day change

+0.01 pp

From 1.27% on 20-09-2026

20-09-202620-10-2026
EPSS score
1.28%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (blog.brillantit.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Netgate2 products

1 vendor · 2 products

References

3 links